4.8 Article

Iron-Catalyzed Enyne Cross-Coupling Reaction

Journal

ORGANIC LETTERS
Volume 10, Issue 23, Pages 5341-5344

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol8020226

Keywords

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Funding

  1. Ministry of Education, Culture, Sports, Science, and Technology of Japan
  2. Synergistic Effects for Creation of Functional Molecules [18064006]
  3. Chemistry of Concerto Catalysis [20037033]
  4. Global COE Program International Center for Integrated Research
  5. Advanced Education in Materials Science
  6. MEXT
  7. Uehara Memorial Foundation [2075003]

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In the presence of 0.5-1 mol % of FeCl3 with lithium bromide as a crucial additive, alkynyl Grignard reagents, prepared from the corresponding alkynes and methylmagnesium bromide, react with alkenyl bromides or triflates to give the corresponding conjugated enynes in high to excellent yields. The reaction shows wide applicability to various terminal alkynes and alkenyl electrophiles.

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